Superconducting generator and method

Details Superconducting generator and method Superconducting generator and method

1978-05-11

1981-02-10

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, H02K 132

Patent

active

042504180

ABSTRACT:
A superconducting generator is disclosed herein and includes a super cooled rotor assembly and two interconnected torque tubes constructed of a material having a thermal coefficient of linear expansion which is negligible at and below a predetermined cryogenic temperature. During normal operation of the generator, predetermined axial sections of these torque tubes are maintained at or below this cryogenic temperature. This minimizes thermal expansion of these sections and eliminates damage therefrom should the generator operate in an abnormal way which causes the torque tube sections to drop significantly in temperature. At the same time, other axial sections of the torque tubes are maintained at temperatures above this cryogenic temperature during normal operation of the generator but are coupled to an external source of heat to minimize any drop in temperature of these sections during abnormal operation.

REFERENCES:
patent: 3942053 (1976-03-01), Abolins
patent: 3999091 (1976-12-01), Kirtley
patent: 4076988 (1978-02-01), Litz
patent: 4092555 (1978-05-01), Ying
patent: 4117357 (1978-09-01), Baumann
patent: 4123676 (1978-10-01), Cooper

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